255007512

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{9811}}^1$

素因数の和:9861

約数の個数: 72

約数和(自身を含む): 728982540

約数和(自身を除く): 473975028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1368, 1444, 2166, 2888, 3249, 4332, 6498, 8664, 9811, 12996, 19622, 25992, 29433, 39244, 58866, 78488, 88299, 117732, 176598, 186409, 235464, 353196, 372818, 559227, 706392, 745636, 1118454, 1491272, 1677681, 2236908, 3355362, 3541771, 4473816, 6710724, 7083542, 10625313, 13421448, 14167084, 21250626, 28334168, 31875939, 42501252, 63751878, 85002504, 127503756, 255007512]

約数ペア:

[(1, 255007512), (2, 127503756), (3, 85002504), (4, 63751878), (6, 42501252), (8, 31875939), (9, 28334168), (12, 21250626), (18, 14167084), (19, 13421448), (24, 10625313), (36, 7083542), (38, 6710724), (57, 4473816), (72, 3541771), (76, 3355362), (114, 2236908), (152, 1677681), (171, 1491272), (228, 1118454), (342, 745636), (361, 706392), (456, 559227), (684, 372818), (722, 353196), (1083, 235464), (1368, 186409), (1444, 176598), (2166, 117732), (2888, 88299), (3249, 78488), (4332, 58866), (6498, 39244), (8664, 29433), (9811, 25992), (12996, 19622)]